A235365 - cp's OEIS frontend

A235365 Smallest odd prime factor of 3^n + 1, for n > 1.

n	a(n)
2	5
3	7
4	41
5	61
6	5
7	547
8	17
9	7
10	5
11	67
12	41
13	398581
14	5
15	7
16	21523361
17	103
18	5
19	2851
20	41
21	7
22	5
23	23535794707
24	17
25	61
26	5
27	7
28	41
29	523
30	5
31	6883
32	926510094425921
33	7
34	5
35	61
36	41
37	18427
38	5
39	7
40	17
41	33703
42	5
43	82064241848634269407
44	41
45	7
46	5
47	16921
48	76801
49	547
50	5
51	7
52	41
53	78719947
54	5
55	61
56	17
57	7
58	5
59	3187
60	41

[5, 7, 41, 61, 5, 547, 17, 7, 5, 67, 41, 398581, 5, 7, 21523361, 103, 5, 2851, 41, 7, 5, 23535794707, 17, 61, 5, 7, 41, 523, 5, 6883, 926510094425921, 7, 5, 61, 41, 18427, 5, 7, 17, 33703, 5, 82064241848634269407, 41, 7, 5, 16921, 76801, 547, 5, 7, 41, 78719947, 5, 61, 17, 7, 5, 3187, 41]

cp's OEIS Frontend

A235365 Smallest odd prime factor of 3^n + 1, for n > 1.

Table of values

List of values